Read this excerpt from the passage.
I believe it is difficult for those who publish their own memoirs to escape the imputation of vanity; nor is this the only disadvantage under which they labour: it is also their misfortune, that what is uncommon is rarely, if ever, believed, and what is obvious we are apt to turn from with disgust, and to charge the writer with impertinence.
What is the author's viewpoint about how people perceive memoirs?
People judge memoirs harshly no matter what the memoir is about.
People respect memoirs that are neither too vain nor too commonplace.
People will admire the author's memoir because it is does not have the common pitfalls.
People form opinions about memoirs without reading the memoirs.